2020-2024 GM Duramax 6.6L L5P Driveline Upgrades

Whether you've added larger tires and want to win back off-the-line performance or just need some improved traction for your custom build, these 2020-2024 GM Sierra/Silverado 2500/3500 driveline upgrades are here to help. More aggressive gears allows your truck to compensate for larger tires to get back acceleration and a proper power band. Aftermarket differentials offer up an excellent improvement in traction so you can take your custom build practically anywhere. New differential covers make maintenance easier and add a quality appeal to your truck. GM Duramax Fitments: 2020, 2021, 2022, 2023, 2024 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.